package designPatterns.createMode.abstractFactory;

/**
 * Created by thinkpad on 2015/8/13.
 * 抽象工厂模式是在工厂模式的基础上增加的一层抽象概念。如果比较抽象工厂模式和工厂模式，我们不难发现前者只是增加了一层抽象的概念。抽象工厂是一个父类工厂，可以创建其它工厂类。故我们也叫它“工厂的工厂”。
 */
interface CPU {
    void process();
}

interface CPUFactory {
    CPU produceCPU();
}

class AMDFactory implements CPUFactory {
    public CPU produceCPU() {
        return new AMDCPU();
    }
}

class IntelFactory implements CPUFactory {
    public CPU produceCPU() {
        return new IntelCPU();
    }
}

class AMDCPU implements CPU {
    public void process() {
        System.out.println("AMD is processing...");
    }
}

class IntelCPU implements CPU {
    public void process() {
        System.out.println("Intel is processing...");
    }
}

class Computer {
    CPU cpu;

    public Computer(CPUFactory factory) {
        cpu = factory.produceCPU();
        cpu.process();
    }
}

public class Client {
    public static void main(String[] args) {
        new Computer(createSpecificFactory());
    }

    public static CPUFactory createSpecificFactory() {
        int sys = 0; // 基于特定要求
        if (sys == 0)
            return new AMDFactory();
        else
            return new IntelFactory();
    }
}
